Name: ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P - X Factors Motorsports
Price: 1734.00 USD
Availability: InStock

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

$1,734.00

Crate Engine, GM 350, Stage 1, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each

Overview

Brand: ATK High Performance Engines

Manufacturer’s Part Number: HP291P

Part Type: Crate Engines

Product Line: ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines

Summit Racing Part Number: HPE-HP291P

UPC: 00653517328824

Crate Engine Family: Chevy Small Block

Actual Engine Displacement: 5.7L/350

Crate Engine Cylinder Head Material: Cast iron

Engine Block Material: Cast iron

Advertised Compression Ratio: 9.1:1

Assembled: Yes

Engine Balance: Internal/External

Cam Style: Hydraulic flat tappet

Rear Main Seal Style: 1-piece

Intake Manifold Included: No

Cylinder Heads Included: Yes

Carburetor Included: No

Throttle Body Included: No

Distributor Included: No

Oil Pan Included: Yes

Valve Covers Included: Yes

Timing Cover Included: Yes

Water Pump Included: No

Harmonic Balancer Included: No

Flexplate Included: No

Flywheel Included: No

Air Cleaner Included: No

Spark Plugs Included: No

Spark Plug Wires Included: No

Computer Included: No

Wiring Harness Included: No

Supercharger Included: No

Remanufactured: Yes

Quantity: Sold individually.

Notes: Dipstick is located on the passenger side of the vehicle. Internal balance on the front, external balance on the rear of the crank.

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines

Give your ride new life with ATK High Performance GM 350 330 hp/380 lbs.-ft. Stage 1 long block crate engines. These engines are based on the tried-and-true small block Chevy and are built to perform right out of the box. ATK hand-assembles and balances each engine using top-quality parts to help them produce awesome power. Whether you are replacing an older, worn down engine or just looking for a little more performance, ATK has you covered.

Stage 1 long block crate engines include:

* Handpicked, remanufactured blocks
* ATK cast iron cylinder heads
* 76cc chambers
* 165cc intake runners
* 1.94 in./1.5 in. valves
* Stamped steel 1.5 ratio rocker arms
* OE crankshaft
* OE 5.7 in. powder metal connecting rods
* Hypereutectic flat-top pistons
* Moly rings
* Hydraulic flat tappet camshaft
* 465 int./.488 exh. cam lift
* 224 int./234 exh. cam duration at 0.50
* 9.1:1 compression
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube

Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.

1. Processing Time

Orders are typically processed within 1–2 business days after payment is confirmed.
Orders placed on weekends or holidays will be processed on the next business day.

2. Delivery Times

Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.
International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.

3. Shipping Rates

United States: Free standard shipping on all orders.
International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.

4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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